Sign_Normalization

基于MATLAB的通信系统仿真应用实例详解，这是第1卷。(MATLAB-based simulation of communication systems application examples explain, this is the first volume one.)

说明：  遗传算法工具箱。。 。。很实用的(Genetic Algorithm Toolbox. . . . Very useful)

this is a gud graph....method

许多重要的机械系统平稳运行机制下(负载),但许多观察到的症状在某种程度上取决于条件在系统负荷和/或环境条件。因此状态监测的一个了这类系统应该有一些可能的症状观察到一个标准的荷载工况。(Many critical mechanical systems operate in a non-stationary regime (load ), and many observed symptoms of its condition depend in a some way on a system load and/or environmental conditions. Hence the condition monitoring of a such systems ought to have some possibility of rescaling of observed symptoms to a standard load condition. This papershows such a possibility of a symptoms rescaling in application to multidimensional vibration condition monitoring. It is shown on some real example of vibration condition monitoring, that rescaling of symptoms can make more reliable theassessment of current system condition, as well as its prognosis.)

这是一个Matlab实现的三逆变器的Simulink仿真。电流环反馈，pll环控制相位无偏差。(This is a Matlab implementation of the three inverter Simulink simulation. Current loop feedback, pll loop control phase without bias.)

说明：  采用粒子群算法结合MATPOWER对GARVER-6配电网系统进行交流潮流计算并进行网架规划(AC power flow calculation and grid planning for GARVER-6 distribution system using particle swarm optimization and MATPOWER)

说明：  Simulink中实现PR控制器。PR控制器在逆变器控制中应用很多。PR控制能够在谐振频率处提供无穷大的增益，因而对谐振频率处的电流信号实现无静差跟踪，并且易于实现，可有效降低系统成本。(PR controller is implemented in Simulink. PR controller is widely used in inverter control. PR control can provide infinite gain at the resonant frequency, so the current signal at the resonant frequency can be tracked without static error, which is easy to implement and can effectively reduce the system cost.)

this is machine mechanism in PID control of Motor whit zero-impulse used in matlab, draw freq fig.

天线设计原理，适合天线初学者以及工程人员参考的经典资料(Antenna design principle of classical information, suitable for beginners and engineering personnel antenna)

这个一个基于MATLAB的手写体数字识别的程序，非常的好用(The MATLAB-based handwritten numeral recognition procedure, very easy to use)